ぼつぜん 勃然 LinksSentence search for 勃然Sentence search for ぼつぜんKanji details for 勃 and 然Edit in JMdict Adverb taking the 'to' particle, 'taru' adjective1. suddenly; all at onceAdverb taking the 'to' particle, 'taru' adjective2. flaring up (in anger); in a flare Discussions Log in to talk about this word.